Home / 12,436.09-17,161.91-6,770.88

Finding the Fourth Proportional to 12,436.09, 17,161.91 and 6,770.88

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Solution

The fourth proportional to 12,436.09, 17,161.91 and 6,770.88 is: 9,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.09 : 17,161.91 = 6,770.88 : x
  2. Step 2: Convert to fraction form
    12,436.09/17,161.91 = 6,770.88/x
  3. Step 3: Cross multiply
    12,436.09x = 17,161.91 × 6,770.88
  4. Step 4: Simplify right side
    12,436.09x = 116,201,224.72
  5. Step 5: Solve for x
    x = 116,201,224.72/12,436.09
  6. Step 6: Final answer
    x = 9,343.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.